src/win.c

   1 /* Curses utilities
   2    Copyright (C) 1995 Miguel de Icaza, Janne Kukonlehto
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #include <config.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21 #ifdef HAVE_TERMIOS_H
  22 #    include <termios.h>
  23 #endif
  24
  25 #include "global.h"
  26 #include "tty.h"
  27 #include "color.h"
  28 #include "mouse.h"
  29 #include "dlg.h"
  30 #include "widget.h"
  31 #include "win.h"
  32 #include "key.h"                /* XCTRL and ALT macros  */
  33 #include "layout.h"
  34
  35 /* "$Id$" */
  36
  37 #ifndef HAVE_X
  38 typedef void (*fnptr)(void);
  39
  40 typedef struct Fkey_Table_List {
  41     fnptr  actions[11];
  42     struct Fkey_Table_List *next;
  43     int    has_labels;
  44 } Fkey_Table_List;
  45
  46 static Fkey_Table_List *fkey_table_list = NULL;
  47
  48 /* Return values: 0 = not a fkey, other = was a fkey */
  49 int check_fkeys (int c)
  50 {
  51     int fkey;
  52
  53     if (!fkey_table_list)
  54         return 0;
  55
  56     switch (c){
  57     case KEY_F(1):
  58         fkey = 1;
  59         break;
  60     case KEY_F(2):
  61         fkey = 2;
  62         break;
  63     case KEY_F(3):
  64         fkey = 3;
  65         break;
  66     case KEY_F(4):
  67         fkey = 4;
  68         break;
  69     case KEY_F(5):
  70         fkey = 5;
  71         break;
  72     case KEY_F(6):
  73         fkey = 6;
  74         break;
  75     case KEY_F(7):
  76         fkey = 7;
  77         break;
  78     case KEY_F(8):
  79         fkey = 8;
  80         break;
  81     case KEY_F(9):
  82         fkey = 9;
  83         break;
  84     case KEY_F(10):
  85         fkey = 10;
  86         break;
  87     default:
  88         return 0;
  89     }
  90     if (fkey_table_list->actions [fkey]){
  91         fkey_table_list->actions [fkey] ();
  92         return fkey;
  93     }
  94     else
  95         return 0;
  96 }
  97 #endif /* !HAVE_X */
  98
  99 /* Return values: 0 = not a movement key, 1 = was a movement key */
 100 int check_movement_keys (int c, int additional, int page_size, void *data,
 101                          movefn backfn, movefn forfn, movefn topfn,
 102                          movefn bottomfn)
 103 {
 104     switch (c){
 105     case KEY_UP:
 106     case XCTRL ('p'):
 107         (*backfn)(data, 1);
 108         return 1;
 109
 110     case KEY_DOWN:
 111     case XCTRL ('n'):
 112         (*forfn)(data, 1);
 113         return 1;
 114
 115     case KEY_PPAGE:
 116     case ALT('v'):
 117         (*backfn)(data, page_size-1);
 118         return 1;
 119
 120     case KEY_NPAGE:
 121     case XCTRL('v'):
 122         (*forfn)(data, page_size-1);
 123         return 1;
 124
 125     case KEY_HOME:
 126     case KEY_A1:
 127         (*topfn)(data, 0);
 128         return 1;
 129     case KEY_END:
 130     case KEY_C1:
 131         (*bottomfn)(data, 0);
 132         return 1;
 133     }
 134     if (additional)
 135         switch (c){
 136         case 'b':
 137         case XCTRL('h'):
 138         case KEY_BACKSPACE:
 139         case 0177:
 140             (*backfn)(data, page_size-1);
 141             return 1;
 142         case ' ':
 143             (*forfn)(data, page_size-1);
 144             return 1;
 145         case 'u':
 146             (*backfn)(data, page_size / 2);
 147             return 1;
 148         case 'd':
 149             (*forfn)(data, page_size / 2);
 150             return 1;
 151         case 'g':
 152             (*topfn)(data, 0);
 153             return 1;
 154         case 'G':
 155             (*bottomfn)(data, 0);
 156             return 1;
 157         }
 158     return 0;
 159 }
 160
 161 /* Classification routines */
 162 int is_abort_char (int c)
 163 {
 164     return (c == XCTRL('c') || c == XCTRL('g') || c == ESC_CHAR ||
 165             c == KEY_F(10));
 166 }
 167
 168 #ifndef HAVE_X
 169 void mc_raw_mode (void)
 170 {
 171     raw ();
 172 }
 173
 174 void mc_noraw_mode (void)
 175 {
 176     noraw ();
 177 }
 178
 179 int is_quit_char (int c)
 180 {
 181     return (c == XCTRL('g') || (c == ESC_CHAR) || (c == KEY_F(10)));
 182 }
 183
 184 /* This table is a mapping between names and the constants we use
 185  * We use this to allow users to define alternate definitions for
 186  * certain keys that may be missing from the terminal database
 187  */
 188 key_code_name_t key_name_conv_tab [] = {
 189 /* KEY_F(0) is not here, since we are mapping it to f10, so there is no reason
 190    to define f0 as well. Also, it makes Learn keys a bunch of problems :( */
 191     { KEY_F(1),      "f1",         N_("Function key 1") },
 192     { KEY_F(2),      "f2",         N_("Function key 2") },
 193     { KEY_F(3),      "f3",         N_("Function key 3") },
 194     { KEY_F(4),      "f4",         N_("Function key 4") },
 195     { KEY_F(5),      "f5",         N_("Function key 5") },
 196     { KEY_F(6),      "f6",         N_("Function key 6") },
 197     { KEY_F(7),      "f7",         N_("Function key 7") },
 198     { KEY_F(8),      "f8",         N_("Function key 8") },
 199     { KEY_F(9),      "f9",         N_("Function key 9") },
 200     { KEY_F(10),     "f10",        N_("Function key 10") },
 201     { KEY_F(11),     "f11",        N_("Function key 11") },
 202     { KEY_F(12),     "f12",        N_("Function key 12") },
 203     { KEY_F(13),     "f13",        N_("Function key 13") },
 204     { KEY_F(14),     "f14",        N_("Function key 14") },
 205     { KEY_F(15),     "f15",        N_("Function key 15") },
 206     { KEY_F(16),     "f16",        N_("Function key 16") },
 207     { KEY_F(17),     "f17",        N_("Function key 17") },
 208     { KEY_F(18),     "f18",        N_("Function key 18") },
 209     { KEY_F(19),     "f19",        N_("Function key 19") },
 210     { KEY_F(20),     "f20",        N_("Function key 20") },
 211     { KEY_BACKSPACE, "bs",         N_("Backspace key") },
 212     { KEY_END,       "end",        N_("End key") },
 213     { KEY_UP,        "up",         N_("Up arrow key") },
 214     { KEY_DOWN,      "down",       N_("Down arrow key") },
 215     { KEY_LEFT,      "left",       N_("Left arrow key") },
 216     { KEY_RIGHT,     "right",      N_("Right arrow key") },
 217     { KEY_HOME,      "home",       N_("Home key") },
 218     { KEY_NPAGE,     "pgdn",       N_("Page Down key") },
 219     { KEY_PPAGE,     "pgup",       N_("Page Up key") },
 220     { KEY_IC,        "insert",     N_("Insert key") },
 221     { KEY_DC,        "delete",     N_("Delete key") },
 222     { ALT('\t'),     "complete",   N_("Completion/M-tab") },
 223     { KEY_KP_ADD,    "kpplus",     N_("+ on keypad") },
 224     { KEY_KP_SUBTRACT,"kpminus",   N_("- on keypad") },
 225     { KEY_KP_MULTIPLY,"kpasterix", N_("* on keypad") },
 226 /* From here on, these won't be shown in Learn keys (no space) */
 227     { KEY_LEFT,      "kpleft",     N_("Left arrow keypad") },
 228     { KEY_RIGHT,     "kpright",    N_("Right arrow keypad") },
 229     { KEY_UP,        "kpup",       N_("Up arrow keypad") },
 230     { KEY_DOWN,      "kpdown",     N_("Down arrow keypad") },
 231     { KEY_HOME,      "kphome",     N_("Home on keypad") },
 232     { KEY_END,       "kpend",      N_("End on keypad") },
 233     { KEY_NPAGE,     "kpnpage",    N_("Page Down keypad") },
 234     { KEY_PPAGE,     "kpppage",    N_("Page Up keypad") },
 235     { KEY_IC,        "kpinsert",   N_("Insert on keypad") },
 236     { KEY_DC,        "kpdelete",   N_("Delete on keypad") },
 237     { (int) '\n',    "kpenter",    N_("Enter on keypad") },
 238     { (int) '/',     "kpslash",    N_("Slash on keypad") },
 239     { (int) '#',     "kpnumlock",  N_("NumLock on keypad") },
 240     { 0, 0 }
 241     };
 242
 243 /* Return the code associated with the symbolic name keyname */
 244 int lookup_key (char *keyname)
 245 {
 246     int i;
 247
 248     for (i = 0; key_name_conv_tab [i].code; i++){
 249         if ( g_strcasecmp (key_name_conv_tab [i].name, keyname))
 250             continue;
 251         return key_name_conv_tab [i].code;
 252     }
 253     return 0;
 254 }
 255
 256 #endif /* !HAVE_X */